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| ntpdate permissions? http://forum.linhes.org/viewtopic.php?f=5&t=14142 |
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| Author: | graysky [ Sun Feb 11, 2007 7:16 pm ] |
| Post subject: | ntpdate permissions? |
I made a simple script that syncs my system time and logs the output so I can track how my clock is drifting (I know ntp-server is built into KM and for this exercise I have disabled it by removing it from the rc.d and from /etc/cron.daily and weekly) Here's the script Code: ntpdate ntp-3.vt.edu >> /var/log/gettime.log It has been chmodded to 755 and runs fine from the root user when I do it manually. I also chmodded the log file to 666 so any user and read/write to that file. I have copied it to my /etc/cron.hourly but when I check the log file, it has not been running. The only entry in the log is the one that ran when I manually ran it from root. Anyone know what's going on? I'm assuming that cron runs as root doesn't it? Finally, if I try to run it from the mythtv user I get this: Code: ntpdate[7692]: bind() fails: Permission denied which I'm taking to be that only root can change the clock.
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| Author: | crabby [ Sun Feb 11, 2007 7:38 pm ] |
| Post subject: | |
Seems like it should work. The cron.daily scripts are run using run-parts from /etc/crontab. Might want to make sure cron is running. Code: $ ps -aef | grep cron
root 4761 1 0 Feb07 ? 00:00:00 /usr/sbin/cron You could also do 'man run-parts' and see if anything in the man page rings a bell. You could also try adding #!/bin/sh as the very first line of your script and see if that makes a difference (see the other scripts in cron.daily). Hope that helps. good luck! |
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| Author: | mad_paddler [ Mon Feb 12, 2007 4:08 am ] |
| Post subject: | |
I think you need to have the full path to ntpdate in your script. |
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| Author: | graysky [ Mon Feb 12, 2007 5:03 pm ] |
| Post subject: | |
crabby wrote: You could also try adding #!/bin/sh as the very first line of your script and see if that makes a difference (see the other scripts in cron.daily).
That was the problem, thanks for the suggestion. For reference, the script reads Code: #!/bin/sh
ntpdate ntp-3.vt.edu >> /var/log/gettime.log |
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